The international External Quality Assessment program organized by BioSystems S.A. (PREVECAL) is intended to help train specialist in the interpretation of the results because the task is subjective and requires adequate skills and experience.
The aims of quality control schemes are, in general, to provide participants with an objective assessment of their performance within their laboratories and in relation to other laboratories, to provide information on the relative performance of the available kits and methods, and to identify factors associated with good and poor performance.

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ASQUALAB is a French organization of clinical biologists, that creates quality control programs between labs:
(EEQ - Evaluation Externe de la Qualité & CIQ-CIL - Contrôle Interne de Qualité avec Comparaison Inter-Laboratoire).